[INFO] fetching crate allsorts-rental 0.5.6... [INFO] testing allsorts-rental-0.5.6 against 1.55.0 for beta-1.56-1 [INFO] extracting crate allsorts-rental 0.5.6 into /workspace/builds/worker-12/source [INFO] validating manifest of crates.io crate allsorts-rental 0.5.6 on toolchain 1.55.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate allsorts-rental 0.5.6 [INFO] finished tweaking crates.io crate allsorts-rental 0.5.6 [INFO] tweaked toml for crates.io crate allsorts-rental 0.5.6 written to /workspace/builds/worker-12/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] e1dcdf4c24809ec52e8d4bde195b2ac685feefa1bd985a60311d50d83fcf71eb [INFO] running `Command { std: "docker" "start" "-a" "e1dcdf4c24809ec52e8d4bde195b2ac685feefa1bd985a60311d50d83fcf71eb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e1dcdf4c24809ec52e8d4bde195b2ac685feefa1bd985a60311d50d83fcf71eb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e1dcdf4c24809ec52e8d4bde195b2ac685feefa1bd985a60311d50d83fcf71eb", kill_on_drop: false }` [INFO] [stdout] e1dcdf4c24809ec52e8d4bde195b2ac685feefa1bd985a60311d50d83fcf71eb [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] bffde72612c60eeae0f0c2534e2acf7347a36003f0ecd597731c38697a3bd0a3 [INFO] running `Command { std: "docker" "start" "-a" "bffde72612c60eeae0f0c2534e2acf7347a36003f0ecd597731c38697a3bd0a3", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.76 [INFO] [stderr] Compiling stable_deref_trait v1.2.0 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Compiling rental-impl v0.5.5 [INFO] [stderr] Compiling allsorts-rental v0.5.6 (/opt/rustwide/workdir) [INFO] [stdout] warning: using `procedural-masquerade` crate [INFO] [stdout] --> src/lib.rs:94:8 [INFO] [stdout] | [INFO] [stdout] 94 | enum ProceduralMasqueradeDummyType { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 117 | define_rental_traits!(32); [INFO] [stdout] | -------------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(proc_macro_back_compat)]` on by default [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = note: for more information, see issue #83125 [INFO] [stdout] = note: The `procedural-masquerade` crate has been unnecessary since Rust 1.30.0. Versions of this crate below 0.1.7 will eventually stop compiling. [INFO] [stdout] = note: this warning originates in the macro `define_rental_traits` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: using `procedural-masquerade` crate [INFO] [stdout] --> src/lib.rs:258:9 [INFO] [stdout] | [INFO] [stdout] 258 | enum ProceduralMasqueradeDummyType { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 285 | / rental! { [INFO] [stdout] 286 | | /// Example types that demonstrate the API generated by the rental macro. [INFO] [stdout] 287 | | pub mod examples { [INFO] [stdout] 288 | | use std::sync; [INFO] [stdout] ... | [INFO] [stdout] 345 | | } [INFO] [stdout] 346 | | } [INFO] [stdout] | |_- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = note: for more information, see issue #83125 [INFO] [stdout] = note: The `procedural-masquerade` crate has been unnecessary since Rust 1.30.0. Versions of this crate below 0.1.7 will eventually stop compiling. [INFO] [stdout] = note: this warning originates in the macro `rental` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: using `procedural-masquerade` crate [INFO] [stdout] --> src/lib.rs:258:9 [INFO] [stdout] | [INFO] [stdout] 258 | enum ProceduralMasqueradeDummyType { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 350 | / rental! { [INFO] [stdout] 351 | | /// Premade types for the most common use cases. [INFO] [stdout] 352 | | pub mod common { [INFO] [stdout] 353 | | use std::ops::DerefMut; [INFO] [stdout] ... | [INFO] [stdout] 484 | | } [INFO] [stdout] 485 | | } [INFO] [stdout] | |_- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = note: for more information, see issue #83125 [INFO] [stdout] = note: The `procedural-masquerade` crate has been unnecessary since Rust 1.30.0. Versions of this crate below 0.1.7 will eventually stop compiling. [INFO] [stdout] = note: this warning originates in the macro `rental` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 31.02s [INFO] running `Command { std: "docker" "inspect" "bffde72612c60eeae0f0c2534e2acf7347a36003f0ecd597731c38697a3bd0a3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bffde72612c60eeae0f0c2534e2acf7347a36003f0ecd597731c38697a3bd0a3", kill_on_drop: false }` [INFO] [stdout] bffde72612c60eeae0f0c2534e2acf7347a36003f0ecd597731c38697a3bd0a3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 406945fb57c2a6e7005c55065d00889a5bc3e7df8ae1a8bb40cafddff0835aa9 [INFO] running `Command { std: "docker" "start" "-a" "406945fb57c2a6e7005c55065d00889a5bc3e7df8ae1a8bb40cafddff0835aa9", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stdout] warning: using `procedural-masquerade` crate [INFO] [stdout] --> src/lib.rs:94:8 [INFO] [stdout] | [INFO] [stdout] 94 | enum ProceduralMasqueradeDummyType { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 117 | define_rental_traits!(32); [INFO] [stdout] | -------------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(proc_macro_back_compat)]` on by default [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = note: for more information, see issue #83125 [INFO] [stdout] = note: The `procedural-masquerade` crate has been unnecessary since Rust 1.30.0. Versions of this crate below 0.1.7 will eventually stop compiling. [INFO] [stdout] = note: this warning originates in the macro `define_rental_traits` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: using `procedural-masquerade` crate [INFO] [stdout] --> src/lib.rs:258:9 [INFO] [stdout] | [INFO] [stdout] 258 | enum ProceduralMasqueradeDummyType { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 285 | / rental! { [INFO] [stdout] 286 | | /// Example types that demonstrate the API generated by the rental macro. [INFO] [stdout] 287 | | pub mod examples { [INFO] [stdout] 288 | | use std::sync; [INFO] [stdout] ... | [INFO] [stdout] 345 | | } [INFO] [stdout] 346 | | } [INFO] [stdout] | |_- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = note: for more information, see issue #83125 [INFO] [stdout] = note: The `procedural-masquerade` crate has been unnecessary since Rust 1.30.0. Versions of this crate below 0.1.7 will eventually stop compiling. [INFO] [stdout] = note: this warning originates in the macro `rental` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling allsorts-rental v0.5.6 (/opt/rustwide/workdir) [INFO] [stdout] warning: using `procedural-masquerade` crate [INFO] [stdout] --> src/lib.rs:258:9 [INFO] [stdout] | [INFO] [stdout] 258 | enum ProceduralMasqueradeDummyType { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 350 | / rental! { [INFO] [stdout] 351 | | /// Premade types for the most common use cases. [INFO] [stdout] 352 | | pub mod common { [INFO] [stdout] 353 | | use std::ops::DerefMut; [INFO] [stdout] ... | [INFO] [stdout] 484 | | } [INFO] [stdout] 485 | | } [INFO] [stdout] | |_- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = note: for more information, see issue #83125 [INFO] [stdout] = note: The `procedural-masquerade` crate has been unnecessary since Rust 1.30.0. Versions of this crate below 0.1.7 will eventually stop compiling. [INFO] [stdout] = note: this warning originates in the macro `rental` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `allsorts-rental` due to 2 previous errors [INFO] [stdout] error[E0463]: can't find crate for `rental` [INFO] [stdout] --> tests/debug.rs:2:1 [INFO] [stdout] | [INFO] [stdout] 2 | extern crate rental; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ can't find crate [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: aborting due to previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0463`. [INFO] [stdout] [INFO] [stdout] error[E0463]: can't find crate for `rental` [INFO] [stdout] --> tests/generic.rs:2:1 [INFO] [stdout] | [INFO] [stdout] 2 | extern crate rental; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ can't find crate [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0463]: can't find crate for `rental` [INFO] [stdout] --> tests/simple_ref.rs:2:1 [INFO] [stdout] | [INFO] [stdout] 2 | extern crate rental; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ can't find crate [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0463`. [INFO] [stdout] [INFO] [stdout] error[E0463]: can't find crate for `rental` [INFO] [stdout] --> tests/lt_params.rs:2:1 [INFO] [stdout] | [INFO] [stdout] 2 | extern crate rental; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ can't find crate [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0463`. [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0463`. [INFO] [stdout] [INFO] [stdout] error[E0463]: can't find crate for `rental` [INFO] [stdout] --> tests/trait.rs:2:1 [INFO] [stdout] | [INFO] [stdout] 2 | extern crate rental; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ can't find crate [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0463`. [INFO] [stdout] [INFO] [stdout] error[E0463]: can't find crate for `rental` [INFO] [stdout] --> tests/map.rs:2:1 [INFO] [stdout] | [INFO] [stdout] 2 | extern crate rental; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ can't find crate [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0463`. [INFO] [stdout] [INFO] [stdout] error[E0463]: can't find crate for `rental` [INFO] [stdout] --> tests/complex_mut.rs:2:1 [INFO] [stdout] | [INFO] [stdout] 2 | extern crate rental; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ can't find crate [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0463`. [INFO] [stdout] [INFO] [stdout] error[E0463]: can't find crate for `rental` [INFO] [stdout] --> tests/complex.rs:2:1 [INFO] [stdout] | [INFO] [stdout] 2 | extern crate rental; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ can't find crate [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0463`. [INFO] [stdout] [INFO] [stdout] error[E0463]: can't find crate for `rental` [INFO] [stdout] --> tests/string.rs:2:1 [INFO] [stdout] | [INFO] [stdout] 2 | extern crate rental; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ can't find crate [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0463`. [INFO] [stdout] [INFO] [stdout] error[E0463]: can't find crate for `rental` [INFO] [stdout] --> tests/simple_mut.rs:2:1 [INFO] [stdout] | [INFO] [stdout] 2 | extern crate rental; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ can't find crate [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0463`. [INFO] [stdout] [INFO] [stdout] error[E0463]: can't find crate for `rental` [INFO] [stdout] --> tests/covariant.rs:2:1 [INFO] [stdout] | [INFO] [stdout] 2 | extern crate rental; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ can't find crate [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0463]: can't find crate for `rental` [INFO] [stdout] --> tests/subrental.rs:2:1 [INFO] [stdout] | [INFO] [stdout] 2 | extern crate rental; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ can't find crate [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0463`. [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0463`. [INFO] [stdout] [INFO] [stdout] error[E0463]: can't find crate for `rental` [INFO] [stdout] --> tests/target_ty_hack.rs:2:1 [INFO] [stdout] | [INFO] [stdout] 2 | extern crate rental; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ can't find crate [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0463]: can't find crate for `rental` [INFO] [stdout] --> tests/vec_slice.rs:2:1 [INFO] [stdout] | [INFO] [stdout] 2 | extern crate rental; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ can't find crate [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0463]: can't find crate for `rental` [INFO] [stdout] --> tests/unused.rs:4:1 [INFO] [stdout] | [INFO] [stdout] 4 | extern crate rental; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ can't find crate [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0463`. [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0463`. [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0463`. [INFO] [stdout] [INFO] [stdout] error[E0463]: can't find crate for `rental` [INFO] [stdout] --> tests/drop_order.rs:4:1 [INFO] [stdout] | [INFO] [stdout] 4 | extern crate rental; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ can't find crate [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0463`. [INFO] [stdout] [INFO] [stdout] error[E0463]: can't find crate for `rental` [INFO] [stdout] --> tests/clone.rs:2:1 [INFO] [stdout] | [INFO] [stdout] 2 | extern crate rental; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ can't find crate [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0463`. [INFO] [stdout] [INFO] [stdout] warning: using `procedural-masquerade` crate [INFO] [stdout] --> src/lib.rs:94:8 [INFO] [stdout] | [INFO] [stdout] 94 | enum ProceduralMasqueradeDummyType { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 117 | define_rental_traits!(32); [INFO] [stdout] | -------------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(proc_macro_back_compat)]` on by default [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = note: for more information, see issue #83125 [INFO] [stdout] = note: The `procedural-masquerade` crate has been unnecessary since Rust 1.30.0. Versions of this crate below 0.1.7 will eventually stop compiling. [INFO] [stdout] = note: this warning originates in the macro `define_rental_traits` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: using `procedural-masquerade` crate [INFO] [stdout] --> src/lib.rs:258:9 [INFO] [stdout] | [INFO] [stdout] 258 | enum ProceduralMasqueradeDummyType { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 285 | / rental! { [INFO] [stdout] 286 | | /// Example types that demonstrate the API generated by the rental macro. [INFO] [stdout] 287 | | pub mod examples { [INFO] [stdout] 288 | | use std::sync; [INFO] [stdout] ... | [INFO] [stdout] 345 | | } [INFO] [stdout] 346 | | } [INFO] [stdout] | |_- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = note: for more information, see issue #83125 [INFO] [stdout] = note: The `procedural-masquerade` crate has been unnecessary since Rust 1.30.0. Versions of this crate below 0.1.7 will eventually stop compiling. [INFO] [stdout] = note: this warning originates in the macro `rental` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: using `procedural-masquerade` crate [INFO] [stdout] --> src/lib.rs:258:9 [INFO] [stdout] | [INFO] [stdout] 258 | enum ProceduralMasqueradeDummyType { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 350 | / rental! { [INFO] [stdout] 351 | | /// Premade types for the most common use cases. [INFO] [stdout] 352 | | pub mod common { [INFO] [stdout] 353 | | use std::ops::DerefMut; [INFO] [stdout] ... | [INFO] [stdout] 484 | | } [INFO] [stdout] 485 | | } [INFO] [stdout] | |_- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = note: for more information, see issue #83125 [INFO] [stdout] = note: The `procedural-masquerade` crate has been unnecessary since Rust 1.30.0. Versions of this crate below 0.1.7 will eventually stop compiling. [INFO] [stdout] = note: this warning originates in the macro `rental` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: build failed [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "406945fb57c2a6e7005c55065d00889a5bc3e7df8ae1a8bb40cafddff0835aa9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "406945fb57c2a6e7005c55065d00889a5bc3e7df8ae1a8bb40cafddff0835aa9", kill_on_drop: false }` [INFO] [stdout] 406945fb57c2a6e7005c55065d00889a5bc3e7df8ae1a8bb40cafddff0835aa9